Home / 90,922.02-125,463.39-50,639.53

Finding the Fourth Proportional to 90,922.02, 125,463.39 and 50,639.53

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Solution

The fourth proportional to 90,922.02, 125,463.39 and 50,639.53 is: 69,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.02 : 125,463.39 = 50,639.53 : x
  2. Step 2: Convert to fraction form
    90,922.02/125,463.39 = 50,639.53/x
  3. Step 3: Cross multiply
    90,922.02x = 125,463.39 × 50,639.53
  4. Step 4: Simplify right side
    90,922.02x = 6,353,407,101.81
  5. Step 5: Solve for x
    x = 6,353,407,101.81/90,922.02
  6. Step 6: Final answer
    x = 69,877.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.